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Rigid Pavements

Effects of Ground Granulated Blast Furnace Slag (GGBFS) in Portland Cement Concrete (PCC) - Expanded Study

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Final Report
Project ID: 0092-05-01
Title: Effects of Ground Granulated Blast Furnace Slag (GGBFS) in Portland Cement Concrete (PCC) - Expanded Study
PI: Steven M. Cramer
Department of Civil and Environmental Engineering
University of Wisconsin-Madison
Project: In 1999 strength results from patching concrete containing ground granulated blast furnace slag (GGBFS) on Interstate Hwy I-90 came in unacceptably low. This study will examine the problems associated in public-domain literature with the use of GGBFS including incompatibility with admixtures, unusual air void systems, slow strength gain and high shrinkage.
Task List:
  1. Monitoring the variability of GGBFS composition
  2. Strength gain and air void development with different cements, air entraining admixtures and temperatures
  3. Deicer Scaling Tests with different curing compounds and cement replacement levels
  4. Reporting
Start Date: July 14, 2004
End Date: January 14, 2006
Extension: June 30, 2007
Project Award: $195,941
TOC: Rigid Pavements
© 2007 Board of Regents of the University of Wisconsin System